/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.plugins.core;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Primary;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.Ordered;

import grails.config.ConfigProperties;
import grails.config.Settings;
import grails.core.GrailsApplication;
import org.grails.spring.context.support.GrailsPlaceholderConfigurer;

/**
 * Core beans.
 *
 * @author graemerocher
 * @since 4.0
 */
@AutoConfiguration(before = { PropertyPlaceholderAutoConfiguration.class })
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
public class CoreAutoConfiguration {

    @Value("${" + Settings.SPRING_PLACEHOLDER_PREFIX + ":#{null}}")
    private String placeholderPrefix;

    @Bean
    @Primary
    public ClassLoader classLoader(GrailsApplication grailsApplication) {
        return grailsApplication.getClassLoader();
    }

    @Bean
    @Primary
    public ConfigProperties grailsConfigProperties(GrailsApplication grailsApplication) {
        return new ConfigProperties(grailsApplication.getConfig());
    }

    @Bean
    @Primary
    PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
        GrailsPlaceholderConfigurer grailsPlaceholderConfigurer = new GrailsPlaceholderConfigurer();
        if (placeholderPrefix != null) {
            grailsPlaceholderConfigurer.setPlaceholderPrefix(placeholderPrefix);
        }
        return grailsPlaceholderConfigurer;
    }
}
